import book.BookList;
import user.AdminUser;
import user.NormalUser;
import user.User;

import java.util.Scanner;

public class Main {
    public static User login(){
        System.out.print("请输入你的姓名：");
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        System.out.println("请输入你的身份：1.管理员 2.用户");
        int choice = scanner.nextInt();
        if (choice == 1){
            return new AdminUser(name);
        }else if (choice == 2) {
            return new NormalUser(name);
        }else {
            System.out.println("输入不合规");
            return null;
        }
    }
    public static void main(String[] args) {
        BookList bookList = new BookList();
        User user = login();//向上转型
        while (true){
            int choice = user.menu();//发生动态绑定  -》多态
            //根据你的choice 调用合适的操作
            user.doWork(choice,bookList);
        }

    }
}
